Answer:
l/b=a
Step-by-step explanation:
Answer:
Around 24 degrees
Step-by-step explanation:
*Make sure calculator is on degree mode*
Try to draw out triangle--it helps
Need to use law of sines... this is where an angle and the side that opposes it are equal to each other. For example, Angle U is equal to 9.7

Multiply 4 and sin90 and then divide the product by 9.7
Use
on calculator to convert the answer into degrees
Answer:
2.83 s
Step-by-step explanation:
We are given that

When a rock reached the ground then h(t)=0


Using quadratic formula





Time cannot be negative .Therefore, negative value of t can not be possible.
Hence, the rock takes 2.83 sec to reach the ground.
Question 4- is 32.25
question 5- is 12.4
question 6 -is 14/17
question 7 - is 10.7